Code No: 22004
JAWAHAR LAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA. II Semester Supplementary Examinations August 2009
DATA PROCESSING THROUGH COBOL
Time: 3hours Max.Marks:60
Answer any FIVE questions
All questions carry equal marks
1. Give the structure of the COBOL programs and explain briefly about all the
divisions in it.
2. What are the coding requirements of the identification division? Explain.
3.a) Explain different types of picture clauses available with examples.
b) Write a COBOL program for accepting the input data from the keyboard and output data to be stored on a sequential file.
4. Give the completer syntax of COMPUTE statement and arithmetic verbs. Explain each verb with an example.
5. Write short notes on the following:
a) Relational operators
b) Complex conditions.
c) Abbreviated compound conditions.
6. Write an example program for declaring a table and also explain how to access the individual columns of the table?
7.a) What are the differences between sequential file, indexed sequential file and random access file.
b) Write a short notes on INSPECT and EXAMINE statements.
8.a) Explain how program performance can be improved using COPY and CALL statements.
b) What are the advantages of the report writer module?
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